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William Blair & Company

William Blair & Company Portfolio holdings

AUM $38.4B
1-Year Est. Return 25.71%
This Fund
S&P 500
This Quarter Est. Return
+6.81%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
AUM
$17.5B
AUM Growth
+$1.09B
Cap. Flow
+$196M
Cap. Flow %
1.12%
Top 10 Hldgs %
22.04%
Holding
1,814
New
115
Increased
670
Reduced
633
Closed
80

Top Buys

Rank Stock Value
1
FISV
Fiserv Inc
FISV
+$41.9M
2
DLB icon
Dolby
DLB
+$23M
3
TDOC icon
Teladoc Health
TDOC
+$20.9M
4
CPRT icon
Copart
CPRT
+$20.8M
5
DXCM icon
DexCom
DXCM
+$16M

Top Sells

Rank Stock Value
1
RHT
Red Hat Inc
RHT
+$144M
2
ULTI
Ultimate Software Group Inc
ULTI
+$103M
3
GILD icon
Gilead Sciences
GILD
+$16.4M
4
BX icon
Blackstone
BX
+$12.4M
5
VEEV icon
Veeva Systems
VEEV
+$10.5M

Sector Composition

Rank Sector Weight
1 Technology 22.57%
2 Healthcare 17.89%
3 Financials 12.54%
4 Consumer Discretionary 10.12%
5 Industrials 9.64%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
BRK.A icon
151
Berkshire Hathaway Class A
BRK.A
$1.11T
$23.9M 0.14%
74
+3
+4% +$933K
ANET icon
152
Arista Networks
ANET
$250B
$23.8M 0.14%
1,469,136
+368,848
+34% +$6.38M
SU icon
153
Suncor Energy
SU
$74B
$23.5M 0.13%
753,661
-38,021
-5% -$1.22M
SPSB icon
154
State Street SPDR Portfolio Short Term Corporate Bond ETF
SPSB
$10.8B
$23.3M 0.13%
758,143
+301,993
+66% +$9.23M
CCI icon
155
Crown Castle
CCI
$31.3B
$23.3M 0.13%
178,987
+15,011
+9% +$1.93M
TIP icon
156
iShares TIPS Bond ETF
TIP
$14.7B
$23.2M 0.13%
200,895
-14,597
-7% -$1.66M
MDY icon
157
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27.1B
$22.9M 0.13%
64,682
+10,845
+20% +$3.79M
XYL icon
158
Xylem
XYL
$28.8B
$22.9M 0.13%
273,671
+18,726
+7% +$1.49M
GBCI icon
159
Glacier Bancorp
GBCI
$6.39B
$22.7M 0.13%
559,963
+24,120
+5% +$990K
QQQ icon
160
Invesco QQQ Trust
QQQ
$478B
$22.1M 0.13%
118,608
+5,632
+5% +$1.04M
NOW icon
161
ServiceNow
NOW
$132B
$21.9M 0.13%
399,375
+38,475
+11% +$2.02M
LYV icon
162
Live Nation Entertainment
LYV
$42.7B
$21.4M 0.12%
322,589
-805
-0.2% -$51.7K
SDY icon
163
State Street SPDR S&P Dividend ETF
SDY
$22.1B
$21.4M 0.12%
211,852
+1,993
+0.9% +$199K
OMC icon
164
Omnicom Group
OMC
$23.6B
$21.2M 0.12%
258,261
-4,645
-2% -$367K
GRUB
165
DELISTED
Just Eat Takeaway.com N.V. American Depositary Shares
GRUB
$20.9M 0.12%
134,089
-71,473
-35% -$9.74M
VTI icon
166
Vanguard Morningstar Total Stock Market ETF
VTI
$689B
$20.8M 0.12%
138,605
-5,473
-4% -$806K
AGG icon
167
iShares Core US Aggregate Bond ETF
AGG
$137B
$20.7M 0.12%
186,134
-8,266
-4% -$904K
KMI icon
168
Kinder Morgan
KMI
$70.1B
$20.6M 0.12%
987,512
+136,322
+16% +$2.75M
GWW icon
169
W.W. Grainger
GWW
$61.3B
$20.6M 0.12%
76,788
+8,052
+12% +$2.26M
AMGN icon
170
Amgen
AMGN
$224B
$20.6M 0.12%
111,647
+8,185
+8% +$1.47M
CMCSA icon
171
Comcast
CMCSA
$91B
$20.5M 0.12%
484,129
+51,715
+12% +$2.18M
ILMN icon
172
Illumina
ILMN
$29.1B
$19.5M 0.11%
54,569
-22,645
-29% -$7.15M
RPD icon
173
Rapid7
RPD
$894M
$19.5M 0.11%
336,645
+411
+0.1% +$21.6K
MMP
174
DELISTED
Magellan Midstream Partners, L.P.
MMP
$19.3M 0.11%
302,333
-3,846
-1% -$239K
HON icon
175
Honeywell
HON
$72.9B
$19M 0.11%
115,516
+420
+0.4% +$66.8K
5 6
7
8 9

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William Blair & Company's Q2 2019 Portfolio in Review

As of Q2 2019, William Blair & Company held 1,814 positions worth $17.5B, up 6.6% from $16.4B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

William Blair & Company's Q2 2019 filing shows 115 new, 670 increased, 633 reduced and 80 closed positions. Its largest new stake was Q2 Holdings: 213,468 shares worth $16.3M. The largest sale was Red Hat Inc, an estimated $144M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, down from 23% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q2 2019 buy was Q2 Holdings: 213,468 shares worth $16.3M.
  • William Blair & Company added most to Fiserv Inc in Q2 2019, an estimated $41.9M increase.
  • William Blair & Company's biggest Q2 2019 reduction was Gilead Sciences, cutting an estimated $16.4M.
  • William Blair & Company fully exited Red Hat Inc in Q2 2019, selling an estimated $144M.
  • William Blair & Company's ten largest holdings make up 22% of its $17.5B portfolio in Q2 2019.
  • William Blair & Company opened 115 new positions and closed 80 in Q2 2019.
  • William Blair & Company's portfolio value rose 6.6% quarter-over-quarter to $17.5B.

Based on William Blair & Company's 13F filing for Q2 2019, filed 13 Aug 2019.